V2EX spot meter

Spot Meter

释义 Definition

(摄影)点测光:一种测光方式/仪表,只测量画面中非常小的一块区域(常见为约 1%5% 视角)的亮度,用于更精确地决定曝光,特别适合高反差场景或需要对主体明暗做精细控制时。(也可指“点测光表/点测光模式”)

发音 Pronunciation (IPA)

/spt mitr/

例句 Examples

I switched to spot metering to expose for her face.
我切换到点测光来以她的脸为曝光基准。

In backlit scenes, a spot meter helps you meter the subject precisely and avoid washed-out highlights.
在逆光场景中,点测光能帮助你精确测量主体亮度,避免高光被冲白。

词源 Etymology

spot 意为“点、局部”,meter 源自“测量”的含义;合在一起就是“对某个小点进行测量的仪器/方式”。在摄影语境中,指对画面局部进行亮度测量以指导曝光。

相关词 Related Words

文学与著作中的使用 Notable Works

  • Ansel Adams《The Negative》(摄影技法经典)中讨论了测光与曝光控制,并与区域系统(Zone System)一起使用点测光的思路常被引用。
  • Bryan Peterson《Understanding Exposure》(《理解曝光》)等摄影入门/进阶书籍中常见对点测光(spot metering/spot meter)的说明与应用示例。
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